<table class="configuration table table-bordered">
    <thead>
        <tr>
            <th class="text-left" style="width: 20%">Key</th>
            <th class="text-left" style="width: 15%">Default</th>
            <th class="text-left" style="width: 10%">Type</th>
            <th class="text-left" style="width: 55%">Description</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td><h5>security.kerberos.access.hadoopFileSystems</h5></td>
            <td style="word-wrap: break-word;">(none)</td>
            <td>List&lt;String&gt;</td>
            <td>A semicolon-separated list of Kerberos-secured Hadoop filesystems Flink is going to access. For example, security.kerberos.access.hadoopFileSystems=hdfs://namenode2:9002;hdfs://namenode3:9003. The JobManager needs to have access to these filesystems to retrieve the security tokens.</td>
        </tr>
        <tr>
            <td><h5>security.kerberos.login.contexts</h5></td>
            <td style="word-wrap: break-word;">(none)</td>
            <td>String</td>
            <td>A comma-separated list of login contexts to provide the Kerberos credentials to (for example, `Client,KafkaClient` to use the credentials for ZooKeeper authentication and for Kafka authentication)</td>
        </tr>
        <tr>
            <td><h5>security.kerberos.login.keytab</h5></td>
            <td style="word-wrap: break-word;">(none)</td>
            <td>String</td>
            <td>Absolute path to a Kerberos keytab file that contains the user credentials.</td>
        </tr>
        <tr>
            <td><h5>security.kerberos.login.principal</h5></td>
            <td style="word-wrap: break-word;">(none)</td>
            <td>String</td>
            <td>Kerberos principal name associated with the keytab.</td>
        </tr>
        <tr>
            <td><h5>security.kerberos.login.use-ticket-cache</h5></td>
            <td style="word-wrap: break-word;">true</td>
            <td>Boolean</td>
            <td>Indicates whether to read from your Kerberos ticket cache.</td>
        </tr>
        <tr>
            <td><h5>security.kerberos.relogin.period</h5></td>
            <td style="word-wrap: break-word;">1 min</td>
            <td>Duration</td>
            <td>The time period when keytab login happens automatically in order to always have a valid TGT.</td>
        </tr>
    </tbody>
</table>
